Unit 4 Topic 1
When was it invented?
Section B
( )1.He ___play computer games unless he finished his homework. A. was allowed to B. was not allowed to C. allow to( )2.We all know that paper ___wood. A. is made of B. is made into C. is made from( )3.This kind of machine ___in 2006. A. is invented B. is made C. was invented( )4.A(An)___is used for taking photos. A .Camera B. Lift C. MP3 player( )5 .We should spend more time ___because it’s too important. A ...


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